import {
    Card,
    Breadcrumb,
    Form,
    Button,
    Radio,
    Input,
    Upload,
    Space,
    Select,
    message
} from 'antd'
import { PlusOutlined } from '@ant-design/icons'
import { Link, useSearchParams } from 'react-router-dom'
import './index.scss'
import ReactQuill from 'react-quill'
import 'react-quill/dist/quill.snow.css'
import { useEffect, useState } from 'react'
import { createArticleAPI, getArticleDetail, updateArticleAPI } from '@/api/article'
import { useChannels } from '@/hooks/useChannels'

const { Option } = Select

const Publish = () => {

    const [searchParams] = useSearchParams()
    const id = searchParams.get('id')

    const { channelsList } = useChannels()
    

    const [imageList, setImageList] = useState([])

    const onUploadImage = (value) => {
        setImageList(value.fileList)
    }

    const [radioType, setRadioType] = useState(1)
    const changeRadio = (e) => setRadioType(e.target.value)

    const onFinish = (values) => {
        if(imageList.length !== radioType) return message.warning('上传图片的数量跟选择类型不一致')
        const { title, channel_id, content } = values
        const params = {
            title,
            channel_id,
            content,
            cover: {
                type: radioType,
                images: imageList.map(item => {
                    if(item.response) {
                        return item.response.data.url
                    } else {
                        return item.url
                    }
                })
            }
        }
        id ? updateArticleAPI(params, id) : createArticleAPI(params)
    }

    
    const [form] = Form.useForm()
    useEffect(() => {
        const getDetail = async() => {
            const res = await getArticleDetail(id)
            const { cover, ...formValue } = res.data
            form.setFieldsValue({...formValue, type: cover.type})
            setRadioType(cover.type)
            setImageList(cover.images.map(url => {
                return { url }
            }))
        }
        if(id) {
            getDetail()
        }
    }, [id, form])

    return (
        <div className="publish">
            <Card
                title={
                    <Breadcrumb items={[
                        { title: <Link to={'/'}>首页</Link> },
                        { title:  `${id ? '编辑' : '发布'}文章` },
                    ]}
                    />
                }
            >
                <Form
                    labelCol={{ span: 4 }}
                    wrapperCol={{ span: 16 }}
                    initialValues={{ type: 1 }}
                    onFinish={onFinish}
                    form={form}
                >
                    <Form.Item
                        label="标题"
                        name="title"
                        rules={[{ required: true, message: '请输入文章标题' }]}
                    >
                        <Input placeholder="请输入文章标题" style={{ width: 400 }} />
                    </Form.Item>
                    <Form.Item
                        label="频道"
                        name="channel_id"
                        rules={[{ required: true, message: '请选择文章频道' }]}
                    >
                        <Select placeholder="请选择文章频道" style={{ width: 400 }}>
                            {channelsList.map(item => <Option key={item.id} value={item.id}>{item.name}</Option>)}
                        </Select>
                    </Form.Item>
                    <Form.Item label="封面">
                        <Form.Item name="type">
                            <Radio.Group onChange={changeRadio}>
                                <Radio value={1}>单图</Radio>
                                <Radio value={3}>三图</Radio>
                                <Radio value={0}>无图</Radio>
                            </Radio.Group>
                        </Form.Item>
                        { radioType !== 0 && <Upload
                            listType="picture-card"
                            showUploadList
                            name='image'
                            action={'http://geek.itheima.net/v1_0/upload'}
                            onChange={onUploadImage}
                            maxCount={radioType}
                            fileList={imageList}
                        >
                            <div style={{ marginTop: 8 }}>
                                <PlusOutlined />
                            </div>
                        </Upload> }
                    </Form.Item>
                    <Form.Item
                        label="内容"
                        name="content"
                        rules={[{ required: true, message: '请输入文章内容' }]}
                    >
                        <ReactQuill
                            className="publish-quill"
                            theme="snow"
                            placeholder="请输入文章内容"
                        />
                    </Form.Item>

                    <Form.Item wrapperCol={{ offset: 4 }}>
                        <Space>
                            <Button size="large" type="primary" htmlType="submit">
                                发布文章
                            </Button>
                        </Space>
                    </Form.Item>
                </Form>
            </Card>
        </div>
    )
}

export default Publish